<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage()">
            <i v-if="!sidebarCollapse" class="el-icon-s-fold"></i>
            <i v-else class="el-icon-s-unfold"></i>
        </div>
        <div class="logo">管理系统</div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen ? `取消全屏` : `全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 消息中心 -->
                <div class="btn-bell">
                    <el-tooltip effect="dark" :content="msgList.length ? `有${msgList.length}条未读消息` : `消息中心`" placement="bottom">
                        <router-link to="/MsgCenter">
                            <i class="el-icon-bell"></i>
                        </router-link>
                    </el-tooltip>
                    <span class="btn-bell-badge" v-if="msgList.length"></span>
                </div>
                <!-- 用户头像 -->
                <!-- <div class="user-avator">
                    <img src="../../assets/img/img.jpg" />
                </div> -->
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{ userName }}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <!-- <a href="https://github.com/lin-xin/vue-manage-system" target="_blank">
                            <el-dropdown-item>项目仓库</el-dropdown-item>
                        </a> -->
                        <el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
                        <el-dropdown-item divided command="modpassword">修改密碼</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
            </div>
        </div>
        <el-dialog title="修改密码" :visible.sync="modpasswordVisible" width="60%">
            <el-form ref="modpasswordform" size="mini" :inline="true" :model="modpasswordform">
                <el-form-item label="用户名" label-width="100px">
                    <el-input
                        v-model="modpasswordform.username"
                        placeholder="请输入用户名"
                        maxlength="60"
                        show-word-limit
                        disabled
                        class="formInput"
                        type="text"
                        style="width: 350px; margin: 15px 0"
                    ></el-input>
                </el-form-item>
                <el-form-item label="旧密码" label-width="100px">
                    <el-input
                        v-model="modpasswordform.oldpassword"
                        placeholder="请输入旧密码"
                        maxlength="60"
                        show-word-limit
                        clearable
                        class="formInput"
                        type="text"
                        style="width: 350px; margin: 15px 0"
                    ></el-input>
                </el-form-item>
                <el-form-item label="新密码" label-width="100px">
                    <el-input
                        v-model="modpasswordform.newpassword"
                        placeholder="请输入用户名"
                        maxlength="60"
                        show-word-limit
                        clearable
                        class="formInput"
                        type="text"
                        style="width: 350px; margin: 15px 0"
                    ></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="modpasswordVisible = false">取 消</el-button>
                <el-button type="primary" @click="savemodpassword">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>
<script>
import bus from '../common/bus';
import API from '../../api/index';
import md5 from 'js-md5';
import { mapState, mapMutations } from 'vuex';
export default {
    data() {
        return {
            fullscreen: false,
            modpasswordform: {
                username: '',
                oldpassword: '',
                newpassword: ''
            },
            modpasswordVisible: false
        };
    },
    computed: {
        ...mapState(['userName', 'msgList', 'sidebarCollapse'])
    },
    methods: {
        ...mapMutations(['userLogout', 'setSidebarCollapse']),
        // 用户名下拉菜单选择事件
        handleCommand(command) {
            if (command == 'loginout') {
                this.userLogout();
                this.$router.push('/login');
            } else if (command == 'modpassword') {
                this.modpassword();
            }
        },
        modpassword() {
            this.modpasswordform = {};

            this.modpasswordform.username = this.userName;
            this.modpasswordVisible = true;
        },
        savemodpassword() {
            let postForm = {};
            postForm.username = this.modpasswordform.username;
            postForm.oldpassword = md5(this.modpasswordform.oldpassword);
            postForm.newpassword = md5(this.modpasswordform.newpassword);
            API.StandardDoWith(API.UserLogin.Put(postForm), this, {
                success: (detail) => {
                    this.$message.success(`成功修改密码,请重新登陆`);
                    this.modpasswordVisible = false;
                    this.$router.push('/login');
                },
                complete: () => {}
            });
        },
        // 侧边栏折叠
        collapseChage(collapse) {
            this.setSidebarCollapse(collapse == undefined ? !this.sidebarCollapse : collapse);
            // this.collapse = !this.collapse;
            // bus.$emit('collapse', this.collapse);
        },
        // 全屏事件
        handleFullScreen() {
            let element = document.documentElement;
            if (this.fullscreen) {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.webkitCancelFullScreen) {
                    document.webkitCancelFullScreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                }
            } else {
                if (element.requestFullscreen) {
                    element.requestFullscreen();
                } else if (element.webkitRequestFullScreen) {
                    element.webkitRequestFullScreen();
                } else if (element.mozRequestFullScreen) {
                    element.mozRequestFullScreen();
                } else if (element.msRequestFullscreen) {
                    // IE11
                    element.msRequestFullscreen();
                }
            }
            this.fullscreen = !this.fullscreen;
        }
    },
    mounted() {
        if (document.body.clientWidth < 1500) {
            this.collapseChage(true);
        } else {
            this.collapseChage(false);
        }
    }
};
</script>
<style scoped>
.header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
}
.collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
}
.header .logo {
    float: left;
    width: 250px;
    line-height: 70px;
}
.header-right {
    float: right;
    padding-right: 50px;
}
.header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
}
.btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
}
.btn-bell,
.btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
}
.btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
}
.btn-bell .el-icon-bell {
    color: #fff;
}
.user-name {
    margin-left: 10px;
}
.user-avator {
    margin-left: 20px;
}
.user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.el-dropdown-link {
    color: #fff;
    cursor: pointer;
}
.el-dropdown-menu__item {
    text-align: center;
}
</style>
